11222111323 has 2 divisors, whose sum is σ = 11222111324. Its totient is φ = 11222111322.

The previous prime is 11222111291. The next prime is 11222111377. The reversal of 11222111323 is 32311122211.

It is a weak prime.

It is an emirp because it is prime and its reverse (32311122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222111323 - 2⁵ = 11222111291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11222111323.

It is not a weakly prime, because it can be changed into another prime (11222115323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611055661 + 5611055662.

It is an arithmetic number, because the mean of its divisors is an integer number (5611055662).

Almost surely, 2^11222111323 is an apocalyptic number.

11222111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222111323 is an equidigital number, since it uses as much as digits as its factorization.

11222111323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

Adding to 11222111323 its reverse (32311122211), we get a palindrome (43533233534).

The spelling of 11222111323 in words is "eleven billion, two hundred twenty-two million, one hundred eleven thousand, three hundred twenty-three".